Portable oxygen concentrator / 1L economic oxygen concentrator with lithium battery 

Specification
Weight............................................................................................. 5.5kg
Dimensions....................................................(L)260*(W)215* (H)370mm
Electrical Requirements..................................................... 220 V/50Hz
Power Wattage............................................ 90 watts under normal load
Oxygen purity...............................................................40%±3%@5L ,
60%±3%@3L ,
90%±3%@1L
Ambient operation
Temperature Range..........................................................(5°to 40°C)
Humidity Range.....................................................................below 80%
Atmospheric pressure 86kPa-106kPa
Transport/Storage
Ambient Temperature.................................................(-20°to 55°C)
Humidity.................................................................................below 93%
Atmospheric pressure 50kPa-106kPa